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Review sheet 5

# Review sheet 5 - dividing outcome on second die 2 by...

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Self Test Q 1: If S = { 1,2,5,6}, A= { 2,5}, B= { 1,2}  Find  A intersection B A union B A complement denoted by A C  ( i:e S-A) A intersection A C Q 2: Define  Simple and Compound events Sample Space and events  Impossible and Sure event  Likelihood of an event  Q 3: Explain what is wrong with the following statements An investment counselor claims that the probability that a stock will  go up is 0.2, remain unchanged is 0.9 and will go down is 0.4.  The probabilities that a student will pass no, one and two or more (out  of total 5) subjects are 0.9, 0.01 and 0.02.

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4,000 polio-vaccinated children died from polio, so polio-vaccination  is useless.  Q 4: If two dice are thrown, what are the various quotients that may be formed by
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Unformatted text preview: dividing outcome on second die 2 by outcome on first die? What is the probability that the quotient will be (a) an integer (b) an even integer (c) either even integer or less than 2. Q 5: A box contains six discs numbered 1 to 6. Find for each integer “k” from 3 to 11, the probability that the numbers on two discs drawn without replacement have a sum equal to “k”. Q 6: Elaborate the statement that two mutually exclusive events need not to be equally likely. Q 7: Three distinct integers are chosen from first 50 positive integers. Compute the probability that (i) their sum is even (ii) their product is odd....
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Review sheet 5 - dividing outcome on second die 2 by...

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